mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
315 lines
8.6 KiB
C++
315 lines
8.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef jsxml_h___
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#define jsxml_h___
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#include "jspubtd.h"
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#include "jsobj.h"
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#include "gc/Barrier.h"
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#include "gc/Heap.h"
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#if JS_HAS_XML_SUPPORT
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extern JSObject *
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js_InitXMLClass(JSContext *cx, js::HandleObject obj);
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extern JSObject *
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js_InitNamespaceClass(JSContext *cx, js::HandleObject obj);
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extern JSObject *
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js_InitQNameClass(JSContext *cx, js::HandleObject obj);
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#else
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#define js_InitXMLClass js_InitNullClass
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#define js_InitNamespaceClass js_InitNullClass
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#define js_InitQNameClass js_InitNullClass
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#endif
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#if JS_HAS_XML_SUPPORT
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extern const char js_AnyName_str[];
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extern const char js_AttributeName_str[];
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extern const char js_isXMLName_str[];
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extern const char js_XMLList_str[];
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extern const char js_amp_entity_str[];
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extern const char js_gt_entity_str[];
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extern const char js_lt_entity_str[];
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extern const char js_quot_entity_str[];
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template<class T>
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struct JSXMLArrayCursor;
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template<class T>
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struct JSXMLArray
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{
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uint32_t length;
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uint32_t capacity;
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js::HeapPtr<T> *vector;
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JSXMLArrayCursor<T> *cursors;
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void init() {
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length = capacity = 0;
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vector = NULL;
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cursors = NULL;
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}
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void finish(js::FreeOp *fop);
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bool setCapacity(JSContext *cx, uint32_t capacity);
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void trim();
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};
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template<class T>
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struct JSXMLArrayCursor
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{
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typedef js::HeapPtr<T> HeapPtrT;
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JSXMLArray<T> *array;
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uint32_t index;
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JSXMLArrayCursor<T> *next;
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JSXMLArrayCursor<T> **prevp;
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HeapPtrT root;
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JSXMLArrayCursor(JSXMLArray<T> *array)
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: array(array), index(0), next(array->cursors), prevp(&array->cursors),
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root(NULL)
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{
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if (next)
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next->prevp = &next;
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array->cursors = this;
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}
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~JSXMLArrayCursor() { disconnect(); }
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void disconnect() {
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if (!array)
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return;
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if (next)
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next->prevp = prevp;
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*prevp = next;
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array = NULL;
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root.~HeapPtrT();
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}
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T *getNext() {
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if (!array || index >= array->length)
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return NULL;
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return root = array->vector[index++];
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}
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T *getCurrent() {
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if (!array || index >= array->length)
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return NULL;
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return root = array->vector[index];
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}
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};
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void js_XMLArrayCursorTrace(JSTracer *trc, JSXMLArrayCursor<JSXML> *cursor);
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void js_XMLArrayCursorTrace(JSTracer *trc, JSXMLArrayCursor<JSObject> *cursor);
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#define JSXML_PRESET_CAPACITY JS_BIT(31)
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#define JSXML_CAPACITY_MASK JS_BITMASK(31)
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#define JSXML_CAPACITY(array) ((array)->capacity & JSXML_CAPACITY_MASK)
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/*
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* NB: don't reorder this enum without changing all array initializers that
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* depend on it in jsxml.c.
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*/
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typedef enum JSXMLClass {
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JSXML_CLASS_LIST,
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JSXML_CLASS_ELEMENT,
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JSXML_CLASS_ATTRIBUTE,
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JSXML_CLASS_PROCESSING_INSTRUCTION,
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JSXML_CLASS_TEXT,
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JSXML_CLASS_COMMENT,
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JSXML_CLASS_LIMIT
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} JSXMLClass;
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#define JSXML_CLASS_HAS_KIDS(class_) ((class_) < JSXML_CLASS_ATTRIBUTE)
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#define JSXML_CLASS_HAS_VALUE(class_) ((class_) >= JSXML_CLASS_ATTRIBUTE)
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#define JSXML_CLASS_HAS_NAME(class_) \
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((unsigned)((class_) - JSXML_CLASS_ELEMENT) <= \
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(unsigned)(JSXML_CLASS_PROCESSING_INSTRUCTION - JSXML_CLASS_ELEMENT))
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#ifdef DEBUG_notme
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#include "jsclist.h"
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#endif
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typedef struct JSXMLListVar {
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JSXMLArray<JSXML> kids; /* NB: must come first */
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js::HeapPtrXML target;
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js::HeapPtrObject targetprop;
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} JSXMLListVar;
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typedef struct JSXMLElemVar {
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JSXMLArray<JSXML> kids; /* NB: must come first */
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JSXMLArray<JSObject> namespaces;
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JSXMLArray<JSXML> attrs;
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} JSXMLElemVar;
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/* union member shorthands */
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#define xml_kids list.kids
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#define xml_target list.target
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#define xml_targetprop list.targetprop
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#define xml_namespaces elem.namespaces
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#define xml_attrs elem.attrs
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#define xml_value value
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/* xml_class-testing macros */
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#define JSXML_HAS_KIDS(xml) JSXML_CLASS_HAS_KIDS((xml)->xml_class)
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#define JSXML_HAS_VALUE(xml) JSXML_CLASS_HAS_VALUE((xml)->xml_class)
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#define JSXML_HAS_NAME(xml) JSXML_CLASS_HAS_NAME((xml)->xml_class)
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#define JSXML_LENGTH(xml) (JSXML_CLASS_HAS_KIDS((xml)->xml_class) \
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? (xml)->xml_kids.length \
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: 0)
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struct JSXML : js::gc::Cell {
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#ifdef DEBUG_notme
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JSCList links;
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uint32_t serial;
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#endif
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js::HeapPtrObject object;
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void *domnode; /* DOM node if mapped info item */
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js::HeapPtrXML parent;
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js::HeapPtrObject name;
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uint32_t xml_class; /* discriminates u, below */
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uint32_t xml_flags; /* flags, see below */
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JSXMLListVar list;
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JSXMLElemVar elem;
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js::HeapPtrString value;
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#if JS_BITS_PER_WORD == 32
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/* The size of every GC thing must be divisible by the FreeCell size. */
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void *pad;
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#endif
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void finalize(js::FreeOp *fop);
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static void writeBarrierPre(JSXML *xml);
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static void writeBarrierPost(JSXML *xml, void *addr);
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static inline js::ThingRootKind rootKind() { return js::THING_ROOT_XML; }
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};
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/* xml_flags values */
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#define XMLF_WHITESPACE_TEXT 0x1
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extern JSXML *
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js_NewXML(JSContext *cx, JSXMLClass xml_class);
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extern void
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js_TraceXML(JSTracer *trc, JSXML *xml);
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extern JSObject *
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js_NewXMLObject(JSContext *cx, JSXMLClass xml_class);
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extern JSObject *
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js_GetXMLObject(JSContext *cx, JSXML *xml);
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extern JSObject *
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js_InitXMLClasses(JSContext *cx, js::HandleObject obj);
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/*
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* If obj is a QName corresponding to function::name, set *funidp to name's id
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* and return true, else return false.
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*/
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extern bool
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js_GetLocalNameFromFunctionQName(JSObject *obj, jsid *funidp, JSContext *cx);
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extern JSBool
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js_GetDefaultXMLNamespace(JSContext *cx, jsval *vp);
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extern JSBool
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js_SetDefaultXMLNamespace(JSContext *cx, const js::Value &v);
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/*
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* Return true if v is a XML QName object, or if it converts to a string that
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* contains a valid XML qualified name (one containing no :), false otherwise.
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* NB: This function is an infallible predicate, it hides exceptions.
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*/
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extern JSBool
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js_IsXMLName(JSContext *cx, jsval v);
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extern JSBool
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js_ToAttributeName(JSContext *cx, js::Value *vp);
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extern JSFlatString *
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js_EscapeAttributeValue(JSContext *cx, JSString *str, JSBool quote);
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extern JSString *
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js_AddAttributePart(JSContext *cx, JSBool isName, JSString *str,
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JSString *str2);
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extern JSFlatString *
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js_EscapeElementValue(JSContext *cx, JSString *str);
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extern JSString *
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js_ValueToXMLString(JSContext *cx, const js::Value &v);
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extern JSObject *
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js_ConstructXMLQNameObject(JSContext *cx, const js::Value & nsval,
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const js::Value & lnval);
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extern JSBool
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js_GetAnyName(JSContext *cx, jsid *idp);
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/*
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* Note: nameval must be either QName, AttributeName, or AnyName.
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*/
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extern JSBool
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js_FindXMLProperty(JSContext *cx, const js::Value &nameval,
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js::MutableHandleObject objp, jsid *idp);
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extern JSBool
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js_GetXMLMethod(JSContext *cx, js::HandleObject obj, jsid id, js::MutableHandleValue vp);
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extern JSBool
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js_GetXMLDescendants(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
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extern JSBool
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js_DeleteXMLListElements(JSContext *cx, JSObject *listobj);
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extern JSBool
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js_StepXMLListFilter(JSContext *cx, JSBool initialized);
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extern JSObject *
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js_ValueToXMLObject(JSContext *cx, const js::Value &v);
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extern JSObject *
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js_ValueToXMLListObject(JSContext *cx, const js::Value &v);
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extern JSObject *
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js_NewXMLSpecialObject(JSContext *cx, JSXMLClass xml_class, JSString *name,
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JSString *value);
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extern JSString *
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js_MakeXMLCDATAString(JSContext *cx, JSString *str);
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extern JSString *
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js_MakeXMLCommentString(JSContext *cx, JSString *str);
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extern JSString *
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js_MakeXMLPIString(JSContext *cx, JSString *name, JSString *str);
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/* The caller must ensure that either v1 or v2 is an object. */
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extern JSBool
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js_TestXMLEquality(JSContext *cx, const js::Value &v1, const js::Value &v2,
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JSBool *bp);
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extern JSBool
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js_ConcatenateXML(JSContext *cx, JSObject *obj1, JSObject *obj2, js::Value *vp);
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namespace js {
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extern bool
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GetLocalNameFromFunctionQName(JSObject *qn, JSAtom **namep, JSContext *cx);
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} /* namespace js */
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#endif /* JS_HAS_XML_SUPPORT */
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#endif /* jsxml_h___ */
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